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Aquarist Forums => Equipment / DIY => Topic started by: jimskoi on January 26, 2006, 04:01:50 PM

Title: Lighting question
Post by: jimskoi on January 26, 2006, 04:01:50 PM
I bought a 4' light from Ray.It has 2 tubes and 2 250w halides.The question is.Does anyone know if i can put a 3rd halide on this light?The ballast has a cable for the tubes and another for the halides.There are 4 wires that are twisted together for the halides.I think it can handle another.There are no markings or stickers of any sort to see what  kind of ballst it is.Would anoyone have seen this before at Ryas?It was upstairs on his 55 gal tank.I have tried to get a hold of him but he must be busy or not online.

Thanks
jim
Title: Lighting question
Post by: BigDaddy on January 26, 2006, 04:27:21 PM
If this is the one I just returned to you... I would say no.

I don't know of any ballasts that are designed to drive 3 MH bulbs.  The largest I have seen are dual ballasts.
Title: Lighting question
Post by: jimskoi on January 26, 2006, 04:36:42 PM
Yes it is.I need to put one more in the centre of the tank.I guess i will have to buy another.Ye ha!

Thanks for the info.
jim
Title: Lighting question
Post by: BigDaddy on January 26, 2006, 04:39:00 PM
Yeah, the rule of thumb with metal halides is one for every two feet.
Title: Lighting question
Post by: jimskoi on January 26, 2006, 04:41:17 PM
Do they make a ballast that will handle 3?
Title: Lighting question
Post by: DARKPHREAK on January 26, 2006, 04:44:17 PM
Nope but they are pretty cheap about 150$ for a single bulb pfo.
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